CC2510FX Datasheet, PDF (60/253 Pages) List of Unclassifed Manufacturers – True System-on-Chip with Low Power RF Transceiver and 8051 MCU

CC2510Fx / CC2511Fx
Interrupt number
0
16
8
1
9
2
10
3
11
4
12
5
13
6
7
14
15
17
Interrupt name
RFTXRX
RF
DMA
ADC
T1
URX0
T2
URX1 / I2S
T3
ENC
T4
ST
P0INT / (USB Resume)
P2INT / USB
UTX0
UTX1 / I2S
P1INT
WDT
Polling sequence
Table 37: Interrupt Polling Sequence
12.8 Oscillators and clocks
The CC2510Fx/CC2511Fx has one internal
system clock. The source for the system clock
can be either a 13 MHz high speed RC
oscillator or a crystal oscillator. The crystal
oscillator for CC2510Fx operates at 26 MHz
while the crystal oscillator for CC2511Fx
operates at 48 MHz. The 26 MHz clock is used
directly as the system clock for CC2510Fx. The
48 MHz clock is used by the USB Controller
only while a derived 24 MHz clock is used as
the system clock. Clock control is performed
using the CLKCON SFR register described in
section 13.10.
The choice of oscillator allows a trade-off
between high-accuracy in the case of the
crystal oscillator and low power consumption
when the high-frequency RC oscillator is used.
Note that operation of the RF transceiver and
the USB requires that the crystal oscillator is
used.
12.9 Debug Interface
The CC2510Fx/CC2511Fx includes a debug
interface that provides a two-wire interface to
an on-chip debug module. The debug interface
allows programming the on-chip flash as well
providing access to memory and register
contents and debug features such as
breakpoints, single-stepping and register
modification.
The debug interface uses the I/O pins P2_1 as
Debug Data and P2_2 as Debug Clock during
Debug mode. These I/O pins can be used as
general purpose I/O only while the device is
not in Debug mode. Thus, the debug interface
does not interfere with any peripheral I/O pins.
Debug mode is not supported in power modes
2 and 3 (PM2, PM3).
CC2510Fx/CC2511Fx PRELIMINARY Data Sheet (Rev. 1.2) SWRS055A Page 60 of 252